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Cerrena [4.2K]
3 years ago
5

Kevin says it will take him less than 1 hour to play soccer, and practice piano because these tasks will take a total of 8/12 ho

ur. Is he correct?
Mathematics
1 answer:
OverLord2011 [107]3 years ago
8 0

no, because if you multiply 8x2 it will be 16 and it will be more than a whole hour

it will be 16/12

so it will be more

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1. Determine which of the congruency shortcuts can be used to prove that point
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Answer:

SSS

Step-by-step explanation:

it shows that all three sides are congruent by the congruency lines

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3 years ago
Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 144 in. Find
mr Goodwill [35]

Answer:

The volume in such a package is 27648 in³

Step-by-step explanation:

Consider the provided information.

Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 144 in.

Let the dimension are x by x by y.

Where x is the variable for the square base package and y is the variable for length.

Thus l=x, b=x and h=y

Then the volume of the box is: V(x)=x^2y (∵V=lbh)

The maximum combined length and girth is 144.

Therefore, 4x+y=144

y=144-4x

Substitute the value of y in volume of the box.

V(x)=x^2(144-4x)

V(x)=144x^2-4x^3

V'(x)=288x-12x^2

Substitute V'(x)=0.

0=288x-12x^2

12x(24-x)=0

x=0\ or\ x=24

Now apply second derivative test.

V''(x)=288-24x

V''(0)=288-24(0)>0 (Min)

V''(24)=288-24(24) (Max)

Hence, the maximum volume is at x=24

If x=24 then y=144-4(24)=48

Substituting value of x = 24 and y = 48 V(x)=x^2y gives 27648.

Hence, the volume in such a package is 27648 in³

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3 years ago
Which equation describes a nonlinear function of x?
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Step-by-step explanation:

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2 years ago
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The vertical line test is a way for you to see if a graph represents a function. It allows you to identify if any x values have more than one y value.

A graph would be a function if every input (x) has exactly one output (y). A graph would not be a function if an input (x) has more than one output (y).

Step-by-step explanation:

In a function, every input within the domain of the function must have exactly one output. If the graph has an input that has more than one output, then it is not a function. The vertical line test is what allows you to see if a graph is a function or not.

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3 years ago
Read 2 more answers
= – 1 is a solution of the equation
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Answer:

C

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0=0

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3 years ago
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